Cita APA (7th ed.)

Deshpande ,Rahul, & Nandurkar ,Gopal. (2012). Pencil Techniques- Graphite. Jyotsna Prakashan.

Cita Chicago (17th ed.)

Deshpande ,Rahul, i Nandurkar ,Gopal. Pencil Techniques- Graphite. Pune: Jyotsna Prakashan, 2012.

Cita MLA (9th ed.)

Deshpande ,Rahul, i Nandurkar ,Gopal. Pencil Techniques- Graphite. Jyotsna Prakashan, 2012.